Most of my CAPT preparation happened in a Docker lab
I put extra work into reporting, and after Hackviser's CAPT exam that turned out to be the part that kept paying off.
- security
- certificate
- pentest
What the exam measures
CAPT measures the hands-on side of penetration testing; memorisation gets you nowhere on it. You need to profile a target, validate a finding and explain why it matters, all three at once. So most of my preparation time went into the lab, and reading took a back seat.
How I studied
I started by listing gaps and splitting topics into two buckets: things I had never touched and things I only knew superficially. I rebuilt the first group from scratch and rehearsed the second in vulnerable environments I stood up myself. Running my own Docker lab mattered more than I expected, because a one-click lab never shows the setup and reconnaissance time a real target costs you.
What I over-studied
Reporting. Once you have found a vulnerability, writing it up so the other side understands it is a job of its own. I started keeping notes under three headings every time: what I found, how I verified it and what should change. That habit helped in the exam and kept helping afterwards.
What comes next
The certificate is in hand, and the real work starts now. My next step is to apply what I learned systematically in the applications I build; the ticket purchasing project on this site was the first deliberate attempt.
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